Cloudy with a chance of meteorites? Scientists studying the Chelyabinsk meteor that hurtled through the atmosphere over Russia in February have managed to track its trajectory using weather satellites, according to a study in Proceedings of the National Academy of Sciences.

Planetary scientists weren’t remotely expecting the 62-foot-wide Chelyabinsk fireball to shoot across Russian skies in February -- they’d had their eyes peeled on a much bigger target that missed the Earth by a decent margin, the asteroid...

A 150-foot wide asteroid is expected to pass closely by Earth on Friday, and though it will be difficult to see in skies over the U.S., the fly-by will be broadcast online.
Backyard astronomers on the other side of the world will be able to see the...

The largest asteroid to come in close contact with Earth is set to fly by our planet Friday morning.
The rock, called Asteroid 2012 DA14, is 150 feet in diameter and will fly around 27,000 km above the surface of Earth. The moon is roughly 384,400 km...

The meteor that created a shock wave when it entered Earth’s atmosphere early Friday is not connected to the asteroid that is slated to pass by the planet today, according to scientists at NASA’s Jet Propulsion Laboratory.
Hundreds of people...

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This post has been updated. See note below.
If a meteor was heading toward California, would residents have any warning?
It all depends on the size of the space rock and the time of day.
At night, astronomers can see an object hurtling toward Earth through a telescope. During the day, it’s nearly impossible.
A meteor lit up the sky in Russia Friday morning for 30 seconds before breaking apart about 15 miles above Earth. NASA estimates that it weighed around 10,000 tons and was 55 feet in...

If a meteor was heading toward California, would residents have any warning? It all depends on the size of the space rock and the time of day. At night, astronomers can see an object hurtling toward Earth through a telescope....